Suction cup



FIG. 1 is a perspective view for a suction cup of my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view showing the suction cup in condition of use.

The broken line showing of environmental structure in the FIG. 8 view is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a suction cup, as shown and described. 